Air quality measurement apparatus, namely, particle counters; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, and air quality

'air':1,21 'apparatus':4 'bacteria':19 'base':10 'counter':7 'electron':9 'electronic-bas':8 'environment':14 'humid':17 'includ':16 'instrument':11 'measur':3,13 'mold':18 'name':5 'paramet':15 'particl':6 'qualiti':2,22

HVAC Units; Ventilating exhaust fans; Air filtering units; Air purifying units; Air exchangers for cleaning and purifying air; Air sterilizers; Air deodorising apparatus; air filters for HVAC units; Air filters for domestic use; Air filters for industrial uses

'air':6,9,12,18,19,21,24,29,34 'apparatus':23 'clean':15 'deodoris':22 'domest':32 'exchang':13 'exhaust':4 'fan':5 'filter':7,25,30,35 'hvac':1,27 'industri':37 'purifi':10,17 'steril':20 'unit':2,8,11,28 'use':33,38 'ventil':3

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